http://newerwiiu.bugs3.com/Blargboard-master/?page=thread&id=41

I am not sure if you heard this rumor or you know this hack, but it is really cool to play this hack in Wii U style. It is hack for New Super Mario Bros Wii. Not for Wii U version. And they are already release demo. 1.1. But you need sign up to get that patch.
So have fun.
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